Find the number of moles of N2O5 in a pure sample that contains 1 nanomole of O-atoms.
A
2×10−10 moles
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
0.2×10−10 moles
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
4×10−10 moles
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
0.4×10−10 moles
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is A2×10−10 moles 5 moles of O-atoms are present in 1 mole of N2O5.
So, 1 nanomole of O-atoms will be present in =15×10−9 moles of N2O5 =2×10−10 moles of N2O5